TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
ARSENIC OXIDE [6 records]
Record 1 - internal organization data 2011-08-24
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Chemistry
Universal entry(ies) Record 1
Record 1, Main entry term, English
- diarsenic pentaoxide
1, record 1, English, diarsenic%20pentaoxide
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- arsenic pentoxide 2, record 1, English, arsenic%20pentoxide
avoid, obsolete
- arsenic pentoxyde 3, record 1, English, arsenic%20pentoxyde
avoid
- arsenic acid anhydride 4, record 1, English, arsenic%20acid%20anhydride
avoid
- arsenic anhydride 5, record 1, English, arsenic%20anhydride
avoid
- arsenic acid 5, record 1, English, arsenic%20acid
avoid
- arsenic oxide 5, record 1, English, arsenic%20oxide
avoid
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A chemical product in the form of a white, amorphous, deliquescent solid which forms arsenic acid in water, is soluble in water and alcohol, is derived by action of oxidizing agent such as nitric acid or arsenious oxide and which is used in arsenates, insecticides, dyeing and printing, colored glass, metal adhesives and as a weed killer. 6, record 1, English, - diarsenic%20pentaoxide
Record number: 1, Textual support number: 1 OBS
arsenic pentoxide: obsolete form. 1, record 1, English, - diarsenic%20pentaoxide
Record number: 1, Textual support number: 2 OBS
Chemical formula: As2O5 6, record 1, English, - diarsenic%20pentaoxide
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Chimie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- pentaoxyde de diarsenic
1, record 1, French, pentaoxyde%20de%20diarsenic
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- anhydride arsénique 2, record 1, French, anhydride%20ars%C3%A9nique
avoid, masculine noun
- pentoxyde d'arsenic 3, record 1, French, pentoxyde%20d%27arsenic
avoid, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'anhydride arsénique [...] est une poudre blanche que l'on obtient en chauffant au rouge sombre l'acide arsénique. 4, record 1, French, - pentaoxyde%20de%20diarsenic
Record number: 1, Textual support number: 1 OBS
pentoxyde d'arsenic : forme incorrecte. 1, record 1, French, - pentaoxyde%20de%20diarsenic
Record number: 1, Textual support number: 2 OBS
Formule chimique : As2O5 5, record 1, French, - pentaoxyde%20de%20diarsenic
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Elementos y compuestos químicos
- Química
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- ácido arsénico
1, record 1, Spanish, %C3%A1cido%20ars%C3%A9nico
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Fórmula química: As2O5 2, record 1, Spanish, - %C3%A1cido%20ars%C3%A9nico
Record 2 - internal organization data 2011-08-24
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
- Chemistry
Universal entry(ies) Record 2
Record 2, Main entry term, English
- diarsenic trioxide
1, record 2, English, diarsenic%20trioxide
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- arsenic trioxide 2, record 2, English, arsenic%20trioxide
avoid, obsolete
- arsenous acid 3, record 2, English, arsenous%20acid
avoid, obsolete
- arsenous oxide 4, record 2, English, arsenous%20oxide
avoid, obsolete
- arsenious oxide 5, record 2, English, arsenious%20oxide
avoid, obsolete
- arsenic trioxyde 6, record 2, English, arsenic%20trioxyde
avoid
- crude arsenic 7, record 2, English, crude%20arsenic
avoid, see observation
- white arsenic 8, record 2, English, white%20arsenic
avoid, see observation
- arsenous anhydride 7, record 2, English, arsenous%20anhydride
avoid
- arsenous acid anhydride 3, record 2, English, arsenous%20acid%20anhydride
avoid
- arsenious acid 7, record 2, English, arsenious%20acid
avoid
- arsenious anhydride 9, record 2, English, arsenious%20anhydride
avoid
- arsenic sesquioxide 3, record 2, English, arsenic%20sesquioxide
avoid
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A chemical product in the form of a white, odourless, tasteless powder which is slightly soluble in water, is soluble in acids, alkalies and glycenol, is derived by smelting of copper and lead concentrates and is used in pigments, ceramic enamels, aniline colours, as a decolourizing agent in glass, as an insecticide, rodenticide, herbicide and preservative. 10, record 2, English, - diarsenic%20trioxide
Record number: 2, Textual support number: 1 OBS
Condensation gives product of varying purity called crude arsenic(90-95% pure). A higher-purity oxide called white arsenic is obtained by resubliming the crude As2O3(99+%pure). 11, record 2, English, - diarsenic%20trioxide
Record number: 2, Textual support number: 2 OBS
arsenic trioxide: obsolete form. 1, record 2, English, - diarsenic%20trioxide
Record number: 2, Textual support number: 3 OBS
Chemical formula: As2O3 10, record 2, English, - diarsenic%20trioxide
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
- Chimie
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- trioxyde de diarsenic
1, record 2, French, trioxyde%20de%20diarsenic
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- trioxyde d'arsenic 2, record 2, French, trioxyde%20d%27arsenic
avoid, masculine noun, obsolete
- oxyde arsénieux 3, record 2, French, oxyde%20ars%C3%A9nieux
avoid, masculine noun, obsolete
- arsenic blanc 4, record 2, French, arsenic%20blanc
avoid, masculine noun, obsolete
- anhydride arsénieux 4, record 2, French, anhydride%20ars%C3%A9nieux
avoid, masculine noun
- oxyde blanc d'arsenic 5, record 2, French, oxyde%20blanc%20d%27arsenic
avoid, masculine noun
- farine d'arsenic 5, record 2, French, farine%20d%27arsenic
avoid, feminine noun
- chaux d'arsenic 5, record 2, French, chaux%20d%27arsenic
avoid, feminine noun
- mort-aux-rats 1, record 2, French, mort%2Daux%2Drats
avoid, see observation, feminine noun, invariable
- arsenic 6, record 2, French, arsenic
avoid, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Anhydride arsénieux [...]. C'est le plus important des composés de l'arsenic; on le désigne communément, à tort, sous le nom d'«arsenic blanc», ou même d'«arsenic». Il se présente habituellement sous l'aspect d'une poudre blanche, inodore, qui se sublime au rouge sombre, peu soluble dans l'eau. Il en existe trois variétés, dont deux cristallisées [...] 7, record 2, French, - trioxyde%20de%20diarsenic
Record number: 2, Textual support number: 1 OBS
Ce produit entre dans la composition des arsenicaux, des colorants, de la céramique, des insecticides, de la mort-aux-rats, du mordant, des substances thérapeutiques. 8, record 2, French, - trioxyde%20de%20diarsenic
Record number: 2, Textual support number: 2 OBS
Bien que «mort-aux-rats» soit utilisé comme synonyme d'«anhydride arsénieux», ce terme désigne, en général, tout raticide. 9, record 2, French, - trioxyde%20de%20diarsenic
Record number: 2, Textual support number: 3 OBS
Formule chimique : As2O3 10, record 2, French, - trioxyde%20de%20diarsenic
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Elementos y compuestos químicos
- Química
Entrada(s) universal(es) Record 2
Record 2, Main entry term, Spanish
- ácido arsenioso
1, record 2, Spanish, %C3%A1cido%20arsenioso
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- anhídrido arsenioso 2, record 2, Spanish, anh%C3%ADdrido%20arsenioso
masculine noun
- trióxido de arsénico 3, record 2, Spanish, tri%C3%B3xido%20de%20ars%C3%A9nico
masculine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 OBS
Polvo blanco amorfo, inodoro e insípido, poco soluble en agua, soluble en ácidos, álcalis y glicerina. Muy tóxico. 4, record 2, Spanish, - %C3%A1cido%20arsenioso
Record number: 2, Textual support number: 2 OBS
Fórmula química: As2O3 5, record 2, Spanish, - %C3%A1cido%20arsenioso
Record 3 - internal organization data 2011-08-15
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
- Chemistry
Universal entry(ies) Record 3
Record 3, Main entry term, English
- arsenic acid
1, record 3, English, arsenic%20acid
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- orthoarsenic acid 2, record 3, English, orthoarsenic%20acid
former designation
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
An acid in the form of hygroscopic crystals, soluble in water, alcohol and glycerol, which begins to decompose near 300°C, giving arsenic oxide and then arsenious oxide, and which is used in the manufacture of arsenates, in glass making, in wood treating process, as a defoliant, a dessicant for cotton and a soil sterilant. 3, record 3, English, - arsenic%20acid
Record number: 3, Textual support number: 1 OBS
"Arsenic pentoxide" [q.v.] is also sometimes called "arsenic acid". 4, record 3, English, - arsenic%20acid
Record number: 3, Textual support number: 2 OBS
Chemical formula: AsH3O4 or H3AsO4 or H3AsO4·½H2O or H3AsO4,½H2O 5, record 3, English, - arsenic%20acid
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
- Chimie
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- acide arsénique
1, record 3, French, acide%20ars%C3%A9nique
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- acide orthoarsénique 2, record 3, French, acide%20orthoars%C3%A9nique
former designation, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Produit chimique se présentant sous la forme de cristaux incolores, hygroscopiques, soluble dans l'eau, l'alcool, le glycérol, très toxique, utilisé dans la fabrication des arséniates, des insecticides, de produits pharmaceutiques, en verrerie, en teinturerie et en impression. 3, record 3, French, - acide%20ars%C3%A9nique
Record number: 3, Textual support number: 1 OBS
Formule chimique : AsH3O4 ou H3AsO4 ou H3AsO4·½H2O ou H3AsO4,½H2O 4, record 3, French, - acide%20ars%C3%A9nique
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Elementos y compuestos químicos
- Química
Entrada(s) universal(es) Record 3
Record 3, Main entry term, Spanish
- ácido arsénico
1, record 3, Spanish, %C3%A1cido%20ars%C3%A9nico
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 OBS
Cristales blancos translúcidos. Soluble en agua, alcohol, álcalis y glicerina. Muy tóxico. Plaguicida. 1, record 3, Spanish, - %C3%A1cido%20ars%C3%A9nico
Record number: 3, Textual support number: 2 OBS
Fórmula química: AsH3O4 o H3AsO4 o H3AsO4·½H2O o H3AsO4,½H2O 2, record 3, Spanish, - %C3%A1cido%20ars%C3%A9nico
Record 4 - internal organization data 2008-05-15
Record 4, English
Record 4, Subject field(s)
- Chemical Elements and Compounds
Record 4, Main entry term, English
- isopolyanion
1, record 4, English, isopolyanion
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- isopoly anion 2, record 4, English, isopoly%20anion
correct
- isopoly-anion 3, record 4, English, isopoly%2Danion
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
An isopoly anion is a metal oxide compound comprising oxygen and a metal selected from the group consisting of molybdenum VI, tungsten VI, vanadium V, niobium V and tantalum V. An example of an isopoly anion is H2W12O40-6. A heteropoly anion is a metal oxide compound comprising oxygen, an element such as phosphorus, arsenic, silicon, germanium, boron, aluminum or many first row transition metals, such as iron or cobalt and a metal selected from the group consisting of molybdenum VI, tungsten VI, vanadium V, niobium V and tantalum V. 2, record 4, English, - isopolyanion
Record number: 4, Textual support number: 2 CONT
Synthesis, structure, and molecular modeling of a titanoniobate isopolyanion. 1, record 4, English, - isopolyanion
Record number: 4, Textual support number: 1 OBS
comb. form: containing several groups or ions of the same acid forming element 3, record 4, English, - isopolyanion
Record 4, French
Record 4, Domaine(s)
- Éléments et composés chimiques
Record 4, Main entry term, French
- isopolyanion
1, record 4, French, isopolyanion
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Polyanion issu de deux sels identiques ne différant que par la forme allotropique du métal. 2, record 4, French, - isopolyanion
Record number: 4, Textual support number: 1 CONT
De nombreuses études concernant les pollyoxométallates ont montré que leur électrochimie est relativement complexe et dépend de plusieurs paramètres tels que la nature du matériau d'électrode, la composition du milieu ... etc. Les hétéropolyanions et isopolyanions sont également connus pour leurs excellentes propriétés catalytiques. 3, record 4, French, - isopolyanion
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2002-09-04
Record 5, English
Record 5, Subject field(s)
- Mineralogy
Record 5, Main entry term, English
- arsenostibite
1, record 5, English, arsenostibite
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A hydrous oxide of antimony and arsenic. 2, record 5, English, - arsenostibite
Record 5, French
Record 5, Domaine(s)
- Minéralogie
Record 5, Main entry term, French
- arsénostibite
1, record 5, French, ars%C3%A9nostibite
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- arsenstibite 2, record 5, French, arsenstibite
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Arséniate hydraté naturel d'antimoine [...] 3, record 5, French, - ars%C3%A9nostibite
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Mineralogía
Record 5, Main entry term, Spanish
- arsenoestibita
1, record 5, Spanish, arsenoestibita
feminine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1985-07-18
Record 6, English
Record 6, Subject field(s)
- Crop Protection
- Agricultural Chemicals
Record 6, Main entry term, English
- London purple
1, record 6, English, London%20purple
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
... an insecticide consisting of a mixture of arsenic trioxide, aniline, lime, and ferrous oxide. 1, record 6, English, - London%20purple
Record 6, French
Record 6, Domaine(s)
- Protection des végétaux
- Agents chimiques (Agriculture)
Record 6, Main entry term, French
- pourpre de Londres
1, record 6, French, pourpre%20de%20Londres
feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record 6, Spanish
Record 6, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada
Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified: